Optical Spectra of Recent Supernovae of Type Ia: SN1995AL, SN1997Y, =

Details Optical Spectra of Recent Supernovae of Type Ia: SN1995AL, SN1997Y, = Optical Spectra of Recent Supernovae of Type Ia: SN1995AL, SN1997Y, =

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....114.2054a&link_type=abstract

Astronomical Journal v.114, p.2054

Astronomy and Astrophysics

Astronomy

4

Supernovae: Individual: Sn1995Al, Supernovae: Individual: Sn1997Y, Supernovae: Individual: Sn1997Bp

Scientific paper

Optical spectra of three recent supernovae of type Ia: SN1995al in NGC 3021, SN1997Y in NGC 4675, and SN1997bp in NGC 4680 are presented. Comparing the spectra with those of other normal type Ia supernovae, the epoch since maximum is estimated for each of the supernovae. Based on the blueshift of the Si II 6355 Å feature, and its location in the galaxy, it appears that SN1997Y belongs to the older, bulge population of the galaxy.

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